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As a result, i2c transfer fails. To solve the problem, IRQF_NO_SUSPEND is added to i2c bus. Signed-off-by: Clark Wang Acked-by: Oleksij Rempel --- drivers/i2c/busses/i2c-imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 1ce0cf7a323f..ba49b2f7a1d1 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1510,7 +1510,8 @@ static int i2c_imx_probe(struct platform_device *pdev) goto rpm_disable; /* Request IRQ */ - ret = request_threaded_irq(irq, i2c_imx_isr, NULL, IRQF_SHARED, + ret = request_threaded_irq(irq, i2c_imx_isr, NULL, + IRQF_SHARED | IRQF_NO_SUSPEND, pdev->name, i2c_imx); if (ret) { dev_err(&pdev->dev, "can't claim irq %d\n", irq);